Focusing-camera.



J.- BECKER.

FOCUSING CAMERA. APPLICATION man AUG. 11. 1900,

Patented APR-4, 1916.

20 SHEETS-SHEET1- Inven it)?" J. BECKER. Fo cusme CAMERA.

- APPLICATION FILED AUG. 11, 1900 1,178,474.

20 SHEETS-SHEET Patented A r. 4,1916.

- J. BECKER.

-FOCUSING CAMERA. APPLICATION Hugo AUG. 11. 1900.

1,178,474. Patent ed Apr. 4, 1916.

20 SHEETS-SHEET 3.

ZN/W/ I Tfih'zesses Invenior 20 SHEETS-SHEET 4.

Patented A r. 4, 1916.

v J. BECKER.

v FUCUSING CAMERA.

APPLICATION FILED AUG- 1 1900.

F2696 1 19.7 -Fk'g6 Inven 2'02" Wiln M J. BECKER.

FOCUSING CAMERA.

APPLICATION FILED nus. 11, 1900.

Patented Apr. 4,1916.

20 SHEETS-SHEET 6- )Winesses In vein-0r 1. BECKER. FOCUSING CAMERA.

APPLICATION FILED AUG-ll, 9P0- Patented Apr. 4, 1916.

20 SHEETS-SHEET 7- Wz'tn asses A I In vw'zf'ar J. BECKER. FOCUSING CAMERA. APPLICATION FILED AUGJII. I900.

1,178,474. Patented Apr. 4,1916.

20 SHEETS-SHEET 9- aA- 'H (rcutH)= (rat c.)

Velocity Ruiio at veloci'gy Ratio at J II II I Inventor J. BECKER.

I FOCUSING CAMERA. APPLICATION men uem. 1900.

Patented Apr. 4, 1916.

-20 SHEETS-SHEET 10.

J. BECKER. FOCUSING CAMERA. APPLICATXON FILED AUG.1I, 1900.

. Patented Apr. 4, 1916.

20 SHEETS-SHEET H- kAA/kmm 1. BECK ER FOCUSING CAMERA.

APPLICATION FILED AUG.H, 1900.

Patented Apr. 4, 1916.

20 SHEETS-SHEET 12.

I i'weni M'm asses 1. BECKER.

FOCUSING CAMERA.

APPLICATION FILED AUG.I 1, 1900.

20 SHEETS-SHEET 13.

Patented Apr. 4, 1916.

Paepmirror. /0/

00 Pupfl F observer's c ye Wzhwsses [In/621202".

KW; MM.

Patented Apr. 4, 191 6.

' 2o SHEETS-SHEET 14.

J. BECKER.

FOCUSING 0AMERA'. APPLICATION FILED AUG. 11. 1900.

Patented Apr.4, 1916.

20 SHEETS-SHEET l5.

Fig. 42

M'fnesses 'ITQUCHZLOI".

1. BECKER. FOCUSING CAMERA.

APPLICATION FILED AUG-l1, 1900.

Patented Apr. 4, 1916.

20 SHEETS-SHEET I6- F1 .48 Vv'zz-ness es Q 9 Inventor I APPLICATION FILED AUG-ll, I900- I 1,178,474. Patented Apr. 4,1916.

'20 SHEETS-SHEET I].

0 k v Jv 1 7L 7 F/i I .53

J. BECKER.

FOCUSING CAMERA.

' vmz $2M Inuenia r J. BECKER.-

FOCUSING CAMERA.

APPLICATION man AUG-ll, 1900.

1 178 474. Patented Apr. 4,1916. 2o SHEETS-SHEET 18.

m I fi z'iiwsses v 5'7 Y In van for J. BECKER. EOCUSING CAMERA. APPLICATION FILED AUG-H. 1900.

20 SHEETS-SHEET 20. v

Vwinasses A Patented Apr. 4, 1916. 

